12808556 has 6 divisors (see below), whose sum is σ = 22414980. Its totient is φ = 6404276.

The previous prime is 12808529. The next prime is 12808583. The reversal of 12808556 is 65580821.

It is a happy number.

12808556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12808529) and next prime (12808583).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1601066 + ... + 1601073.

It is an arithmetic number, because the mean of its divisors is an integer number (3735830).

Almost surely, 2^12808556 is an apocalyptic number.

It is an amenable number.

12808556 is a deficient number, since it is larger than the sum of its proper divisors (9606424).

12808556 is a wasteful number, since it uses less digits than its factorization.

12808556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3202143 (or 3202141 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 12808556 is about 3578.9043015985. The cubic root of 12808556 is about 233.9735280644.

The spelling of 12808556 in words is "twelve million, eight hundred eight thousand, five hundred fifty-six".